diff --git a/pkgs/by-name/gc/gcstar/package.nix b/pkgs/by-name/gc/gcstar/package.nix
index 0f282e663f7e..3388908e8d99 100644
--- a/pkgs/by-name/gc/gcstar/package.nix
+++ b/pkgs/by-name/gc/gcstar/package.nix
@@ -8,13 +8,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "gcstar";
-  version = "1.8.0";
+  version = "1.8.1";
 
   src = fetchFromGitLab {
     owner = "Kerenoc";
     repo = "GCstar";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-37yjKI4l/nUzDnra1AGxDQxNafMsLi1bSifG6pz33zg=";
+    hash = "sha256-cVDOu1BH3WEHhaHa5d8usTrc5M8ZKaKCLNzsSIC+HsU=";
   };
 
   nativeBuildInputs = [ wrapGAppsHook3 ];
@@ -34,6 +34,7 @@ stdenv.mkDerivation (finalAttrs: {
     JSON
     ImageExifTool
     librelative
+    LocaleCodes
     LWP
     LWPProtocolHttps
     MP3Info
@@ -45,6 +46,9 @@ stdenv.mkDerivation (finalAttrs: {
     XMLParser
   ];
 
+  # DateTime::Format::Strptime requires lang locale to be defined for correct date formatting.
+  env.LANG = "C.UTF-8";
+
   installPhase = ''
     runHook preInstall